(j3.2006) F2008 Bessel Functions
Van Snyder
Van.Snyder
Thu Feb 12 20:41:56 EST 2015
On Fri, 2015-02-13 at 01:23 +0000, mark leair (PGI) wrote:
> Hi,
>
>
>
> We (PGI) have recently added the F2008 Bessel Functions to our
> compiler. We noticed that the language specification includes the
> I,J,Y variety of the Bessels but not the K. We have received a
> customer request for the K Bessels too. Was there any particular
> reason for not including the K Bessels in the F2008 standard?
We don't have the I Bessel functions.
I think we only have J and Y because that's all libm has.
There is good software for I and K, that could be hooked to intrinsics,
but we haven't specified an interface for them.
In 2012, I developed a proposal for an optional Part 4 , i.e., 1539-4,
to implement all of the special functions in ISO 31-11, Clause 14 (and a
bit more). This would have specified the interfaces. There wasn't
consensus to proceed.
> -Mark
>
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>
>
>
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